[Fontconfig] Errors building fontconfig-2.12.1: 'PRI_CHAR_WIDTH_STRONG' undeclared here (not in a function)

[Klaus Dittrich]

Am 11/14/16 um 12:22 schrieb Akira TAGOH:
> Dunno.  there might be something changed in the newer gcc but no idea 
> so far it works and apparently no fault we can see such errors. so 
> just suggesting to see the outcome how it looks like with the newer gcc.
>
> On Mon, Nov 14, 2016 at 8:09 PM, Klaus Dittrich <kladit at arcor.de 
> <mailto:kladit at arcor.de>> wrote:
>
>
>
>     Am 11/14/16 um 09:38 schrieb Akira TAGOH:
>>     Oops, you're right. but it is defined at
>>     https://cgit.freedesktop.org/fontconfig/tree/src/fcmatch.c#n266
>>     <https://cgit.freedesktop.org/fontconfig/tree/src/fcmatch.c#n266>
>>     You can see how your gcc generate the preprocessed source code
>>     with -E. I can build it with:
>>     $ gcc --version
>>     gcc (GCC) 6.2.1 20160916 (Red Hat 6.2.1-2)
>>
>>
>>     On Mon, Nov 14, 2016 at 4:53 PM, Klaus Dittrich <kladit at arcor.de
>>     <mailto:kladit at arcor.de>> wrote:
>>
>>
>>
>>         Am 11/14/16 um 03:31 schrieb Akira TAGOH:
>>>         That line isn't in 2.12.1. I guess you are applying a patch
>>>         and it has an error. please check.
>>>
>>>         On Sun, Nov 13, 2016 at 6:51 PM, Klaus Dittrich
>>>         <kladit at arcor.de <mailto:kladit at arcor.de>> wrote:
>>>
>>>             Building fontconfig-2.12.1 I get these errors ..
>>>
>>>               CC       fcmatch.lo
>>>             fcmatch.c:324:63: error: 'PRI_CHAR_WIDTH_STRONG'
>>>             undeclared here (not in a function)
>>>              #define FC_OBJECT(NAME, Type, Cmp) {
>>>             FC_##NAME##_OBJECT, Cmp, PRI_##NAME##_STRONG,
>>>             PRI_##NAME##_WEAK },
>>>                                            ^
>>>             fcobjs.h:54:1: note: in expansion of macro 'FC_OBJECT'
>>>              FC_OBJECT (CHAR_WIDTH, FcTypeInteger, NULL)
>>>              ^~~~~~~~~
>>>             fcmatch.c:324:84: error: 'PRI_CHAR_WIDTH_WEAK'
>>>             undeclared here (not in a function)
>>>              #define FC_OBJECT(NAME, Type, Cmp) {
>>>             FC_##NAME##_OBJECT, Cmp, PRI_##NAME##_STRONG,
>>>             PRI_##NAME##_WEAK },
>>>             ^
>>>             fcobjs.h:54:1: note: in expansion of macro 'FC_OBJECT'
>>>              FC_OBJECT (CHAR_WIDTH, FcTypeInteger, NULL)
>>>              ^~~~~~~~~
>>>             make[3]: *** [Makefile:633: fcmatch.lo] Error 1
>>>             make[3]: Leaving directory
>>>             '/mnt/md1/sources/fontconfig/fontconfig-2.12.1/src'
>>>
>>>
>>>             Compiler used is gcc (64 Bit) version 6.2.1 20161110 and
>>>             before.
>>>
>>>             -- 
>>>
>>>             Klaus
>>>
>>>             _______________________________________________
>>>             Fontconfig mailing list
>>>             Fontconfig at lists.freedesktop.org
>>>             <mailto:Fontconfig at lists.freedesktop.org>
>>>             https://lists.freedesktop.org/mailman/listinfo/fontconfig
>>>             <https://lists.freedesktop.org/mailman/listinfo/fontconfig>
>>>
>>>
>>>
>>>
>>>         -- 
>>>         Akira TAGOH
>>         Akira,
>>
>>         I re-checked that no patches were applied.
>>         I  loaded a fresh tar package
>>         http://fontconfig.org/release/fontconfig-2.12.1.tar.bz2
>>         <http://fontconfig.org/release/fontconfig-2.12.1.tar.bz2>
>>         and untared it.
>>
>>         find . -name fcmatch.c
>>         ./fontconfig-2.12.1/src/fcmatch.c
>>
>>         vim ./fontconfig-2.12.1/src/fcmatch.c
>>         : set number
>>
>>          319 /*
>>          320  * Order is significant, it defines the precedence of
>>          321  * each value, earlier values are more significant than
>>          322  * later values
>>          323  */
>>          324 #define FC_OBJECT(NAME, Type, Cmp)  {
>>         FC_##NAME##_OBJECT,   Cmp, PRI_##NAME##_STRONG,   
>>         PRI_##NAME##_WEAK },
>>          325 static const FcMatcher _FcMatchers [] = {
>>          326     { FC_INVALID_OBJECT, NULL, -1, -1 },
>>          327 #include "fcobjs.h"
>>          328 };
>>          329 #undef FC_OBJECT
>>          330
>>
>>         Note the PRI_##NAME##_STRONG, PRI_##NAME##_WEAK in line 324.
>>
>>         Are you using a different source package?
>>
>>         -- 
>>
>>         Klaus
>>
>>
>>
>>
>>     -- 
>>     Akira TAGOH
>
>     So this is a preprocessor problem of my newer gcc?
>     --
>     Klaus
>
>
>
>
> -- 
> Akira TAGOH

Akira,

your patch "Avoid conflicts with integer width macros from TS 
18661-1:2014" of today
solved the problem.

Fontconfig git now compiles without error.

-- 
Klaus

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